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AP Bio Ch 13+14 Review questions with correct answers $11.99   Add to cart

Exam (elaborations)

AP Bio Ch 13+14 Review questions with correct answers

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Helicase - ANSWER: An enzyme that untwists the double helix of DNA at the replication forks. Nuclease - ANSWER: A DNA cutting enzyme that excises damaged DNA. Ligase - ANSWER: An enzyme that connects two fragments of DNA to make a single fragment DNA polymerase - ANSWER: Enzyme inv...

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  • August 19, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • AP Bio
  • AP Bio
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AP Bio Ch 13+14 Review questions with
correct answers

Helicase - ANSWER: ➡ An enzyme that untwists the double helix of DNA at the replication forks.



Nuclease - ANSWER: ➡ A DNA cutting enzyme that excises damaged DNA.



Ligase - ANSWER: ➡ An enzyme that connects two fragments of DNA to make a single fragment



DNA polymerase - ANSWER: ➡ Enzyme involved in DNA replication that joins individual
nucleotides to produce a DNA molecule



RNA primase - ANSWER: ➡ An enzyme that creates an RNA primer for initiation of DNA
replication.



Telomerase - ANSWER: ➡ An enzyme that catalyzes the lengthening of telomeres. The enzyme
includes a molecule of RNA that serves as a template for new telomere segments.



Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately
what percentage of the nucleotides in this sample will be thymine? - ANSWER: ➡ 8%



Purines - ANSWER: ➡ Adenine and Guanine (2 rings)



Pyrimidines - ANSWER: ➡ Cytosine and Thymine (1 ring)



What bonds form between nitrogen base pairs of DNA? - ANSWER: ➡ Weak hydrogen bonds



What did Watson and Crick discover? - ANSWER: ➡ Structure of DNA ("code of life")

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